Alert archive / Florida / Rip Current Statements in 2020

Rip Current Statement 107, NWS Tallahassee, FL

December 13, 2020Bay County, Gulf County, Walton County, Florida

NWS Tallahassee, FL issued this rip current statement at Dec 13, 2020, 1:55 AM CST for Bay County, Gulf County, Walton County, Florida. It was in force for 46 hr.

The area

The counties it named.

The facts

Issued
Dec 13, 2020, 1:55 AM CST (07:55 UTC)
Expired
Dec 15, 2020, 12:00 AM CST
In force
46 hr
Issued by
NWS Tallahassee, FL

Counties Bay County, FL, Gulf County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 41 km from the middle of the area, began a volume at 07:54 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 7.9 hours before the alert went out and 134 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 00:00Z on 2020-12-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2020-12-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1311 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

011 
WHUS42 KTAE 130755
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
255 AM EST Sun Dec 13 2020

FLZ108-112-131600-
/O.NEW.KTAE.RP.S.0107.201213T0755Z-201215T0600Z/
South Walton-Coastal Bay-
255 AM EST Sun Dec 13 2020 /155 AM CST Sun Dec 13 2020/

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE MONDAY NIGHT...

* WHAT...Dangerous rip currents.

* WHERE...Walton and Bay County Beaches.

* WHEN...Through late Monday night.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$
2 follow-up statements
810 
WHUS42 KTAE 131842
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
142 PM EST Sun Dec 13 2020

FLZ114-150600-
/O.EXB.KTAE.RP.S.0107.201214T0600Z-201215T0600Z/
Coastal Gulf-
142 PM EST Sun Dec 13 2020 /1242 PM CST Sun Dec 13 2020/

...HIGH RIP CURRENT RISK IN EFFECT FROM 1 AM EST /MIDNIGHT CST/
MONDAY THROUGH LATE MONDAY NIGHT...

* WHAT...Dangerous rip currents expected.

* WHERE...Gulf County Beaches.

* WHEN...From 1 AM EST /midnight CST/ Monday through late Monday 
  night.

* IMPACTS...Rip currents can sweep even the best swimmers away
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

FLZ108-112-150600-
/O.CON.KTAE.RP.S.0107.000000T0000Z-201215T0600Z/
South Walton-Coastal Bay-
142 PM EST Sun Dec 13 2020 /1242 PM CST Sun Dec 13 2020/

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE MONDAY
NIGHT...

* WHAT...Dangerous rip currents.

* WHERE...Walton and Bay County Beaches.

* WHEN...Through late Monday night.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

DVD
248 
WHUS42 KTAE 141410
CFWTAE

Coastal Hazard Message
National Weather Service Tallahassee FL
910 AM EST Mon Dec 14 2020

FLZ108-112-114-150600-
/O.CON.KTAE.RP.S.0107.000000T0000Z-201215T0600Z/
South Walton-Coastal Bay-Coastal Gulf-
910 AM EST Mon Dec 14 2020 /810 AM CST Mon Dec 14 2020/

...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Dangerous rip currents.

* WHERE...Walton, Bay, and Gulf County Beaches.

* WHEN...Through late tonight.

* IMPACTS...Rip currents can sweep even the best swimmers away 
  from shore into deeper water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Swim near a lifeguard. If caught in a rip current, relax and
float. Don't swim against the current. If able, swim in a
direction following the shoreline. If unable to escape, face the
shore and call or wave for help.

&&

$$

DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 12, 10:38 PM CSTDense Fog AdvisoryTAEBay, Calhoun, Dixie, Gadsden, Holmes, Jackson and 8 more10 hr
Dec 13, 8:45 AM CSTSmall Craft AdvisoryTAE27 hr

Nearby

Rip Current Statements in Florida, 2020Every rip current statement in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.